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  3. GPT-5.6 Terra vs NVIDIA: Nemotron 3 Ultra

Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

GPT-5.6 Terra vs NVIDIA: Nemotron 3 Ultra benchmark

In this head-to-head showdown, NVIDIA: Nemotron 3 Ultra is more budget-friendly at $3.6/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Choose GPT-5.6 Terra if your priority is peak reasoning, complex code generation, and top preference Elo. Choose NVIDIA: Nemotron 3 Ultra if you are optimizing for low latency, high throughput, and cost-efficient API deployment.
Share Analysis:
WhatsAppTelegramXLinkedInReddit
OpenAI
GPT-5.6 Terra

OpenAI 5.6 mid tier. Official API $2/$12 per 1M after the Jul 30 2026 price cut.

Terra Mid-TierElo 1,548$6/1M out
nvidia
NVIDIA: Nemotron 3 Ultra

Auto-discovered from OpenRouter (nvidia/nemotron-3-ultra-550b-a55b). Preview until a second source matches.

$3.5999999999999996/1M out

GPT-5.6 Series Family & Variants (3)

Speed, cost, and intelligence tradeoffs across the OpenAI lineup

vs Base Model
GPT-5.6 Sol
OpenAI
Base Model
ReasoningFast Route
Elo1608
Speed84 t/s
In /1M$5
Out /1M$30
View specs →vs this
GPT-5.6 Terra
OpenAI
Terra Mid-Tier
Fast Route
Elo1548
Speed128 t/s
In /1M$1
Out /1M$6
-60 Elo-80% price1.5x speed
Selected
GPT-5.6 Luna
OpenAI
Luna Fast / Volume
Fast Route
Elo1466
Speed188 t/s
In /1M$0.1
Out /1M$0.6
-142 Elo-98% price2.2x speed
View specs →vs this
Top Rival Showdowns for GPT-5.6 Terra
All Matchups
Compare vs:vs Claude Opus 4.5vs Gemini 3 Provs Grok 4.6vs DeepSeek V4 Provs Qwen 3 Max
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar Leader

NVIDIA: Nemotron 3 Ultra

$3.5999999999999996 / 1M output

Capability Percentiles

Relative percentile scores computed across all active models in the benchmark catalog.

Capability Matchup Radar

Multi-Dimensional Capability Radar

Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.

Tap any node to inspect
Percentile 0–100
Dimensional AdvantageGPT-5.6 Terra 5/6
Head-to-Head Comparison

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

GPT-5.6 Terra (8)vsNVIDIA: Nemotron 3 Ultra (2)
GPT-5.6 Terra: 8W (80%)Overall: GPT-5.6 TerraNVIDIA: Nemotron 3 Ultra: 2W (20%)
← GPT-5.6 TerraNVIDIA: Nemotron 3 Ultra →
GPT-5.6 Terra (5/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Preference Elo
1,548vs—
Coding Elo
1,542vs—
SWE-bench
70.4%vs—
LiveBench
69.1%vs—
GPQA Diamond
82%vs—
GPT-5.6 Terra: 5WNVIDIA: Nemotron 3 Ultra: 0W
GPT-5.6 Terra (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed
128 tok/svs—
Time to first token
160 msvs—
GPT-5.6 Terra: 2WNVIDIA: Nemotron 3 Ultra: 0W
NVIDIA: Nemotron 3 Ultra (2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price
$6/1Mvs$3.6/1M
Input price
$1/1Mvs$0.6/1M
Context window
1.1Mvs512k
GPT-5.6 Terra: 1WNVIDIA: Nemotron 3 Ultra: 2W

Side-by-Side Benchmark Matrix

Preference Elo
GPT-5.6 Terra1,548
lmarena · Aug 16, 2026
NVIDIA: Nemotron 3 Ultra—
Coding Elo
GPT-5.6 Terra1,542
lmarena · Aug 16, 2026
NVIDIA: Nemotron 3 Ultra—
LiveBench
GPT-5.6 Terra69.1%
livebench · Aug 16, 2026
NVIDIA: Nemotron 3 Ultra—
SWE-bench
GPT-5.6 Terra70.4%
swebench · Aug 16, 2026
NVIDIA: Nemotron 3 Ultra—
GPQA Diamond
GPT-5.6 Terra82%
seed-bootstrap · Aug 16, 2026
NVIDIA: Nemotron 3 Ultra—
Time to first token
GPT-5.6 Terra160 ms
seed-bootstrap · Aug 16, 2026
NVIDIA: Nemotron 3 Ultra—
Output speed
GPT-5.6 Terra128 tok/s
seed-bootstrap · Aug 16, 2026
NVIDIA: Nemotron 3 Ultra—
Input priceNVIDIA: Nemotron 3 Ultra (+$0.4/1M)
GPT-5.6 Terra$1/1M
openrouter · Aug 17, 2026
NVIDIA: Nemotron 3 Ultra$0.6/1M
openrouter · Aug 17, 2026
Output priceNVIDIA: Nemotron 3 Ultra (+$2.4/1M)
GPT-5.6 Terra$6/1M
openrouter · Aug 17, 2026
NVIDIA: Nemotron 3 Ultra$3.6/1M
openrouter · Aug 17, 2026
Context windowGPT-5.6 Terra (+538k)
GPT-5.6 Terra1.1M
openrouter · Aug 17, 2026
NVIDIA: Nemotron 3 Ultra512k
openrouter · Aug 17, 2026
BenchmarkGPT-5.6 TerraNVIDIA: Nemotron 3 UltraAdvantage Delta
Preference Elo
1,548
lmarena · Aug 16, 2026
——
Coding Elo
1,542
lmarena · Aug 16, 2026
——
LiveBench
69.1%
livebench · Aug 16, 2026
——
SWE-bench
70.4%
swebench · Aug 16, 2026
——
GPQA Diamond
82%
seed-bootstrap · Aug 16, 2026
——
Time to first token
160 ms
seed-bootstrap · Aug 16, 2026
——
Output speed
128 tok/s
seed-bootstrap · Aug 16, 2026
——
Input price
$1/1M
openrouter · Aug 17, 2026
$0.6/1M
openrouter · Aug 17, 2026
NVIDIA: Nemotron 3 Ultra (+$0.4/1M)
Output price
$6/1M
openrouter · Aug 17, 2026
$3.6/1M
openrouter · Aug 17, 2026
NVIDIA: Nemotron 3 Ultra (+$2.4/1M)
Context window
1.1M
openrouter · Aug 17, 2026
512k
openrouter · Aug 17, 2026
GPT-5.6 Terra (+538k)
Interactive Simulator (USD)

Workload Cost & Savings Calculator

Simulate monthly production API costs in USD (US Dollar).

Save up to 40% with NVIDIA: Nemotron 3 Ultra
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
GPT-5.6 Terra$125.00 / mo
In: $35Out: $90
NVIDIA: Nemotron 3 Ultra$75.00 / mo
In: $21Out: $54
Estimated Cost Delta

NVIDIA: Nemotron 3 Ultra is estimated to save $50.00/month ($600/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    NVIDIA: Nemotron 3 Ultra:Pick NVIDIA: Nemotron 3 Ultra when you are optimizing output cost.
  • 2
    GPT-5.6 Terra:Pick GPT-5.6 Terra for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatNVIDIA: Nemotron 3 Ultra

Lower output list price ($3.6/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGGPT-5.6 Terra

Larger window (1.1M).

Screenshots / visionGPT-5.6 Terra

GPT-5.6 Terra is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatNVIDIA: Nemotron 3 UltraLower output list price ($3.6/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGGPT-5.6 TerraLarger window (1.1M).
Screenshots / visionGPT-5.6 TerraGPT-5.6 Terra is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
priceJul 30, 2026

GPT-5.6 Terra after the Jul 30 cut: $2/$12 mid-tier

Terra is OpenAI’s Sonnet-class invoice. Use it when Sol is too expensive and Luna is too small.

Community Sentiment

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CompareLLM Matrix

Verified head-to-head card

LIVE
VS
OpenAI

GPT-5.6 Terra

Elo 1,548
LiveBench69.1%
SWE-bench70.4%
Speed128 tok/s
Output cost$6/1M
nvidia

NVIDIA: Nemotron 3 Ultra

Elo n/a
LiveBench—
SWE-bench—
Speed—
Output cost$3.6/1M

Frequently Asked Questions

Which is better overall, GPT-5.6 Terra or NVIDIA: Nemotron 3 Ultra?
We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, GPT-5.6 Terra or NVIDIA: Nemotron 3 Ultra?
SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?
NVIDIA: Nemotron 3 Ultra output tokens are $3.6/1M versus $6/1M. Input prices and retry rates still move the real bill.
Which is faster, GPT-5.6 Terra or NVIDIA: Nemotron 3 Ultra?
We do not have TTFT for both models.
Which has the larger context window?
GPT-5.6 Terra accepts 1.1M tokens versus 512k.
Can I self-host either model?
Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?
No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?
Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. GPT-5.6 Terra and NVIDIA: Nemotron 3 Ultra Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • price · Jul 30, 2026

    GPT-5.6 Terra after the Jul 30 cut: $2/$12 mid-tier

Similar Head-to-Head Comparisons

All GPT-5.6 Terra matchups →|All NVIDIA: Nemotron 3 Ultra matchups →
GPT-4.5 Orion vs GPT-5.6 TerraGPT-5 vs GPT-5.6 TerraGPT-5.6 Sol vs GPT-5.6 TerraOpenAI: o3 Mini vs GPT-5.6 TerraOpenAI: o1 vs GPT-5.6 TerraGPT-5.6 Luna vs GPT-5.6 Terra